Bugtraq mailing list archives

Re: /proc filesystem allows bypassing directory permissions on Linux


From: Pavel Machek <pavel () ucw cz>
Date: Tue, 27 Oct 2009 01:55:51 +0100

On Mon 2009-10-26 16:05:18, Tamber Penketh wrote:
On Friday 23 October 2009 23:39:24 Pavel Machek wrote:

Check it again.  There's no race; I check link count before chmod 666.
And between checking the link count and the chmod?

At that point directory permissions will already disallow any changes.

                                                                Pavel


-- 
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